Until the 1950s asthma was not thought to be a life threatening condition. Thus the Oxford Medicine in 1920 said: "Prognosis is excellent. The sensitive type probably never dies in an attack and t ...
Some 44 million Americans suffer from allergies and asthma and have trouble breathing during an attack. Also, there are millions of people who have breathing problems because of cigarette smoke and air pollution.
Choking - Heimlich Maneuver ;These emergency procedures for choking, which are based